body,div,dl,dt,dd,ul,ol,li.h1,h2,h3,h4,h5,h6,pre,form,fieldset,legend,input,textarea,button,p,blockquote,th,td{
    margin: 0;padding: 0;}
body{background: #f1f1f1; text-align: center;font-family: Helvetica,Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;}
li{ list-style: none;}
a{text-decoration: none;}
img{border:none}